257213411 has 8 divisors (see below), whose sum is σ = 316570464. Its totient is φ = 203509440.

The previous prime is 257213357. The next prime is 257213423. The reversal of 257213411 is 114312752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 257213411 - 2¹⁸ = 256951267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (257213461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413170 + ... + 1413351.

It is an arithmetic number, because the mean of its divisors is an integer number (39571308).

Almost surely, 2^257213411 is an apocalyptic number.

257213411 is a deficient number, since it is larger than the sum of its proper divisors (59357053).

257213411 is a wasteful number, since it uses less digits than its factorization.

257213411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826541.

The product of its digits is 1680, while the sum is 26.

The square root of 257213411 is about 16037.8742668722. The cubic root of 257213411 is about 635.9620533970.

The spelling of 257213411 in words is "two hundred fifty-seven million, two hundred thirteen thousand, four hundred eleven".